org.apache.commons.collections4
Interface OrderedMapIterator<K,V>

Type Parameters:
K - the type of the keys in the map
V - the type of the values in the map
All Superinterfaces:
Iterator<K>, MapIterator<K,V>, OrderedIterator<K>
All Known Implementing Classes:
AbstractLinkedMap.LinkMapIterator, AbstractOrderedMapIteratorDecorator, AbstractSortedMapDecorator.SortedMapIterator, DualTreeBidiMap.BidiOrderedMapIterator, EmptyOrderedMapIterator, UnmodifiableOrderedMapIterator

public interface OrderedMapIterator<K,V>
extends MapIterator<K,V>, OrderedIterator<K>

Defines an iterator that operates over an ordered Map.

This iterator allows both forward and reverse iteration through the map.

Since:
3.0
Version:
$Id: OrderedMapIterator.java 1469004 2013-04-17 17:37:03Z tn $

Method Summary
 boolean hasPrevious()
          Checks to see if there is a previous entry that can be iterated to.
 K previous()
          Gets the previous key from the Map.
 
Methods inherited from interface org.apache.commons.collections4.MapIterator
getKey, getValue, hasNext, next, remove, setValue
 

Method Detail

hasPrevious

boolean hasPrevious()
Checks to see if there is a previous entry that can be iterated to.

Specified by:
hasPrevious in interface OrderedIterator<K>
Returns:
true if the iterator has a previous element

previous

K previous()
Gets the previous key from the Map.

Specified by:
previous in interface OrderedIterator<K>
Returns:
the previous key in the iteration
Throws:
NoSuchElementException - if the iteration is finished


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